Ecological Impact of Population Growth Term Paper

Pages: 3 (874 words)  ·  Style: APA  ·  Bibliography Sources: 3  ·  File: .docx  ·  Topic: Transportation - Environmental Issues

Ecological Impact of Population Growth

Population Growth, the Environment, and Community Interactions:

In principle, the relationship between population size and the environment is very simple and equally direct. Living organisms consume natural resources to provide for their energy needs. The specific mechanism through which they accomplish this vary substantially: some organisms consume other living organisms; some consume only other organisms' waste products, or scavenge their left-over consumables; still others manufacture their energy by synthesizing energy from sunlight and elements occurring naturally in the gaseous atmosphere.

The unidirectional dependence of organisms that consume other organisms upon the continued availability of the latter is obvious, but what is less sometimes less apparent is the mutual interdependence of the continued health and viability of species who do not necessarily interact directly, such as where each interacts directly only with a third species or affects the state of other natural resources necessary for the survival of the first species (Castilla, 1999).

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In the natural world, populations of predator species co-evolve with populations of prey species, with predation and the defenses it necessitates sometimes driving the evolution of traits beneficial to prey species in other respects as well. At the other spectrum of species interdependence are those unrelated except through coincidental circumstances, but whose parallel evolution links their continued viability to each other nevertheless. Consequently, significant changes in the population of one species often has the potential to affect other species, sometimes to the extent that population increases in one can, in only a few generations, completely wipe out one or more other indigenous species (Castilla, 1999).

Term Paper on Ecological Impact of Population Growth Population Growth, Assignment

Community interactions between and among species transcends the one- dimensional relationship between those who consume each other (or each other's wastes and byproducts). Certain species may rely heavily on non-consumable vital resources provided by another for securing suitable shelter, for one example; another species population may depend on the predation of its primary competitors by a third species, for another example (CWAC, 2007).

Human activity and population growth also plays a vital role in shaping ecological niches, and in many respects, to a degree that is completely out of proportion to the nature of non-human species, primarily because human technology often result in ecological changes occurring in the very short-term that far exceed the magnitude of ecological changes that normally take place only in the very long-term without human contribution.

The Effects of Human Activity on the Environment:

By virtue of our intelligence and technological achievements, human beings have the proven capability to alter global resources and other fundamental ecological elements of the biosphere far beyond the ability of any other species. Nevertheless, primarily because… [END OF PREVIEW] . . . READ MORE

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Ecological Impact of Population Growth.  (2007, November 3).  Retrieved March 6, 2021, from https://www.essaytown.com/subjects/paper/ecological-impact-population-growth/8656

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"Ecological Impact of Population Growth."  Essaytown.com.  November 3, 2007.  Accessed March 6, 2021.
https://www.essaytown.com/subjects/paper/ecological-impact-population-growth/8656.